#include <stdio.h>
#include <windows.h>

int main() {
    int a1=20,a2=345,a3=7000,a4=2;
    int b1=1,b2=1,b3=1,b4=1;
    int c1=1,c2=1,c3=1,c4=1;

    printf("%-9d %-9d %-9d %-9d\n",a1,a2,a3,a4);
    //windows中使用Sleep毫秒,linux中sleep秒
    //Sleep(2000);
    printf("%-9d %-9d %-9d %-9d\n",b1,b2,b3,b4);
    //Sleep(2000);
    printf("%-9d %-9d %-9d %-9d\n",c1,c2,c3,c4);
}